BE756734A - Procede d'obtention du p-xylene pur - Google Patents

Procede d'obtention du p-xylene pur

Info

Publication number
BE756734A
BE756734A BE756734DA BE756734A BE 756734 A BE756734 A BE 756734A BE 756734D A BE756734D A BE 756734DA BE 756734 A BE756734 A BE 756734A
Authority
BE
Belgium
Prior art keywords
xylene
obtaining pure
pure
obtaining
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Krupp Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Krupp Gmbh filed Critical Krupp Gmbh
Publication of BE756734A publication Critical patent/BE756734A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE756734D 1969-10-01 1970-09-28 Procede d'obtention du p-xylene pur BE756734A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691949446 DE1949446A1 (de) 1969-10-01 1969-10-01 Verfahren zur Gewinnung von reinem p-Xylol

Publications (1)

Publication Number Publication Date
BE756734A true BE756734A (fr) 1971-03-01

Family

ID=5746994

Family Applications (1)

Application Number Title Priority Date Filing Date
BE756734D BE756734A (fr) 1969-10-01 1970-09-28 Procede d'obtention du p-xylene pur

Country Status (14)

Country Link
US (1) US3723558A (cs)
JP (1) JPS4924051B1 (cs)
AT (1) AT302270B (cs)
BE (1) BE756734A (cs)
CA (1) CA939390A (cs)
DE (1) DE1949446A1 (cs)
ES (1) ES384092A1 (cs)
FR (1) FR2068222A5 (cs)
NL (1) NL7014114A (cs)
PL (1) PL81078B1 (cs)
RO (1) RO69112A (cs)
SU (1) SU416935A3 (cs)
TR (1) TR17063A (cs)
ZA (1) ZA706621B (cs)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS539311B2 (cs) * 1972-04-20 1978-04-05
US5004860A (en) * 1986-07-28 1991-04-02 Amoco Corporation Filter system
US5498822A (en) * 1994-04-04 1996-03-12 Mobil Oil Corporation Single temperature stage crystallization of paraxylene
FR2728894A1 (fr) * 1994-12-29 1996-07-05 Inst Francais Du Petrole Procede de separation de paraxylene comportant au moins deux etages de cristallisation a haute temperature
US5971907A (en) * 1998-05-19 1999-10-26 Bp Amoco Corporation Continuous centrifugal separator with tapered internal feed distributor
US8530716B2 (en) * 2008-08-14 2013-09-10 Bp Corporation North America Inc. Melt-crystallization separation and purification process

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2931841A (en) * 1954-05-20 1960-04-05 Phillips Petroleum Co Fractional crystallization process
US2820070A (en) * 1957-02-28 1958-01-14 Exxon Research Engineering Co Method for recovering paraxylene
NL237024A (cs) * 1958-03-12
NL125644C (cs) * 1961-05-22

Also Published As

Publication number Publication date
CA939390A (en) 1974-01-01
US3723558A (en) 1973-03-27
AT302270B (de) 1972-10-10
ES384092A1 (es) 1973-05-01
PL81078B1 (cs) 1975-08-30
SU416935A3 (ru) 1974-02-25
JPS4924051B1 (cs) 1974-06-20
TR17063A (tr) 1974-04-25
ZA706621B (en) 1971-07-28
DE1949446A1 (de) 1972-02-03
FR2068222A5 (cs) 1971-08-20
RO69112A (ro) 1981-11-24
NL7014114A (cs) 1971-04-05

Similar Documents

Publication Publication Date Title
BE757476A (fr) Procede d'oxydeshydrogenation
RO63610A (fr) Procede pour obtenir du protoxyde d'azote
BE757561A (fr) Procede d'obtention d'ethyl-2-hexanol pur
BE791831A (fr) Procede d'obtention de 3-methylmercaptopropionaldehyde pur
BE750150A (fr) Procede pour l'obtention de polyurethanes
BE756734A (fr) Procede d'obtention du p-xylene pur
BE760140A (fr) Procede en continu de cristallisation
BE778325A (fr) Procede pour l'obtention d'acetonitrile pur
BE835730A (fr) Procede de separation du p-xylene
BE755590A (fr) Procede de fabrication d'ethylene pur
BE746276A (fr) Procede de fabrication d'acetylene
BE757061A (fr) Procede d'obtention d'acide adipique
BE754420A (fr) Procede pour la preparation de 4-ureidohexahydropyrimidinone -(2)
RO69111A (ro) Procedeu pentru obtinere de p-xilen pur
RO64371A (fr) Procede pour la preparation continue du cyclohexanonoxme
BE776577A (fr) Procede pour l'obtention d'anhydride maleique pur
BE754867A (fr) Procede de preparation du 2-ethylhexanal-(1)
BE755029A (fr) Procede pour la preparation du 1,3-diacetoxy-2-methylene- propane
BE747440A (fr) Procede de purification de melanges
BE754434A (fr) Procede d'enrobage
BE777069A (fr) Procede d'obtention d'hydrogenochlorosilanes
BE746776A (fr) Procede perfectionne de production d'alpha olefines
BE779136R (fr) Procede de preparation d'acetoxy-1-methyl-3-butene-2-al-4
BE746642A (fr) Procede pour la preparation du 2-methylene-1,3 diacetoxypropane
BE754712A (fr) Procede de purification d'hydrogene